CN110447132B - 正极添加剂、其制备方法以及包含其的正极和锂二次电池 - Google Patents

正极添加剂、其制备方法以及包含其的正极和锂二次电池 Download PDF

Info

Publication number
CN110447132B
CN110447132B CN201880017875.9A CN201880017875A CN110447132B CN 110447132 B CN110447132 B CN 110447132B CN 201880017875 A CN201880017875 A CN 201880017875A CN 110447132 B CN110447132 B CN 110447132B
Authority
CN
China
Prior art keywords
positive electrode
lithium
oxide
equal
chemical formula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201880017875.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN110447132A (zh
Inventor
韩政珉
朴炳天
金智惠
郑王谟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lg Energy Solution
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Priority claimed from PCT/KR2018/014016 external-priority patent/WO2019107808A1/ko
Publication of CN110447132A publication Critical patent/CN110447132A/zh
Application granted granted Critical
Publication of CN110447132B publication Critical patent/CN110447132B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139Processes of manufacture
    • H01M4/1391Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D15/00Lithium compounds
    • C01D15/02Oxides; Hydroxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/043Lithium aluminates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00Compounds of nickel
    • C01G53/04Oxides; Hydroxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00Compounds of nickel
    • C01G53/40Nickelates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00Compounds of nickel
    • C01G53/40Nickelates
    • C01G53/42Nickelates containing alkali metals, e.g. LiNiO2
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/08Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/50Solid solutions
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/60Compounds characterised by their crystallite size
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/77Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/80Particles consisting of a mixture of two or more inorganic phases
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/80Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
CN201880017875.9A 2017-11-30 2018-11-15 正极添加剂、其制备方法以及包含其的正极和锂二次电池 Active CN110447132B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20170163112 2017-11-30
KR10-2017-0163112 2017-11-30
KR1020180091425A KR102388848B1 (ko) 2017-11-30 2018-08-06 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지
KR10-2018-0091425 2018-08-06
PCT/KR2018/014016 WO2019107808A1 (ko) 2017-11-30 2018-11-15 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지

Publications (2)

Publication Number Publication Date
CN110447132A CN110447132A (zh) 2019-11-12
CN110447132B true CN110447132B (zh) 2022-06-07

Family

ID=66848796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880017875.9A Active CN110447132B (zh) 2017-11-30 2018-11-15 正极添加剂、其制备方法以及包含其的正极和锂二次电池

Country Status (6)

Country Link
US (1) US11329287B2 (ko)
EP (1) EP3595063B1 (ko)
JP (1) JP7045553B2 (ko)
KR (1) KR102388848B1 (ko)
CN (1) CN110447132B (ko)
PL (1) PL3595063T3 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3604229B1 (en) * 2017-11-17 2023-05-03 LG Energy Solution, Ltd. Method of preparing irreversible additive included in cathode material for lithium secondary battery, cathode material including irreversible additive prepared by the same, and lithium secondary battery including cathode material
JPWO2022070649A1 (ko) * 2020-09-30 2022-04-07
KR102471332B1 (ko) * 2020-10-23 2022-11-28 주식회사 에코프로비엠 리튬 이차전지용 양극 첨가제 및 이를 포함하는 양극재
CN115968507A (zh) * 2020-11-26 2023-04-14 株式会社Lg新能源 锂二次电池正极用添加剂、其制造方法和包含其的锂二次电池
WO2022240111A1 (ko) * 2021-05-10 2022-11-17 주식회사 엘지에너지솔루션 리튬 이차전지의 양극용 첨가제, 이의 제조방법 및 이를 포함하는 리튬 이차전지의 양극
EP4329013A1 (en) * 2021-10-19 2024-02-28 LG Chem, Ltd. Method for preparing cathode additive for lithium secondary battery
CN114039043B (zh) * 2021-11-10 2023-06-06 广州博粤新材料科技有限公司 一种高容量复合型正极补锂剂及其制备方法
WO2023090948A1 (ko) * 2021-11-19 2023-05-25 주식회사 엘지에너지솔루션 양극 활물질층용 조성물 및 리튬이차전지

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6207325B1 (en) * 1997-05-19 2001-03-27 Showa Denko K.K. Lithium-containing complex metal oxide, preparation methods thereof, and cathode electroactive material using the same and lithium secondary cells
JP2005317277A (ja) * 2004-04-27 2005-11-10 Japan Storage Battery Co Ltd 非水電解質電池
KR20060008568A (ko) * 2004-07-21 2006-01-27 제일모직주식회사 비수계 전해질 2차 전지 양극 활물질용 리튬-니켈 복합산화물, 그 제조방법 및 그를 포함하는 양극 활물질
KR20070082900A (ko) * 2006-02-17 2007-08-22 주식회사 엘지화학 리튬-금속 복합산화물의 제조방법
CN101359736A (zh) * 2008-07-16 2009-02-04 宁波金和新材料有限公司 表面包覆Li2O·2B2O3的二次锂离子电池正极活性材料及制备方法
CN101847722A (zh) * 2009-03-26 2010-09-29 青岛新正锂业有限公司 高能锂离子电池正极材料及其制备方法
CN102315441A (zh) * 2010-07-02 2012-01-11 三星Sdi株式会社 正极活性物质、制造该正极活性物质的方法和锂二次电池
KR20140058165A (ko) * 2012-11-06 2014-05-14 주식회사 엘지화학 이차전지용 양극 활물질 및 이를 포함하는 이차전지
CN103915610A (zh) * 2013-01-07 2014-07-09 三星Sdi株式会社 正极活性物质、包括其的正极和锂电池、及其制备方法
CN105247715A (zh) * 2013-07-30 2016-01-13 株式会社Lg化学 包含不可逆添加剂的二次电池用正极混合物

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5393622A (en) * 1992-02-07 1995-02-28 Matsushita Electric Industrial Co., Ltd. Process for production of positive electrode active material
JPH10158017A (ja) * 1996-11-29 1998-06-16 Sharp Corp リチウムニッケル銅複合酸化物とその製造法及びその用途
AU744558B2 (en) * 1998-02-09 2002-02-28 H.C. Starck Gmbh & Co. Kg Method for producing lithium-transition metal mixtures
JP4101435B2 (ja) 1999-05-25 2008-06-18 三星エスディアイ株式会社 リチウム二次電池用正極活物質組成物及びそれを用いた正極の製造方法
KR101027764B1 (ko) * 2002-01-08 2011-04-07 소니 주식회사 캐소드활성물질과 그것을 이용한 비수전해질 이차전지
US7695867B2 (en) 2002-03-22 2010-04-13 Lg Chem, Ltd. Method for regulating terminal voltage of cathode during overdischarge and cathode active material for lithium secondary battery
US9023525B2 (en) 2002-03-22 2015-05-05 Lg Chem, Ltd. Cathode active material for lithium secondary battery
WO2005031892A2 (en) * 2003-09-26 2005-04-07 Lg Chem, Ltd. Method for regulating terminal voltage of cathode during overdischarge and cathode active material for lithium secondary battery
JP4794866B2 (ja) 2004-04-08 2011-10-19 パナソニック株式会社 非水電解質二次電池用正極活物質およびその製造方法ならびにそれを用いた非水電解質二次電池
JP5287520B2 (ja) 2008-09-02 2013-09-11 住友化学株式会社 電極活物質、電極および非水電解質二次電池
KR101064729B1 (ko) * 2008-09-30 2011-09-14 주식회사 에코프로 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차전지
US20100216030A1 (en) 2009-02-20 2010-08-26 Samsung Electronics Co., Ltd. Positive electrode for all-solid secondary battery and all-solid secondary battery employing same
JP2012142156A (ja) 2010-12-28 2012-07-26 Sony Corp リチウムイオン二次電池、正極活物質、正極、電動工具、電動車両および電力貯蔵システム
US9028564B2 (en) * 2012-03-21 2015-05-12 The Gillette Company Methods of making metal-doped nickel oxide active materials
KR101595322B1 (ko) * 2013-12-31 2016-02-22 주식회사 에코프로 리튬 이차 전지용 양극 활물질의 제조 방법 및 이에 의하여 제조된 리튬 이차 전지용 양극 활물질
KR101746187B1 (ko) 2014-10-15 2017-06-12 주식회사 포스코 리튬 이차 전지용 양극 활물질, 및 이를 포함하는 리튬 이차 전지
KR20160090580A (ko) 2015-01-22 2016-08-01 삼성에스디아이 주식회사 양극 활물질, 그 제조방법 및 이를 포함하는 리튬이차전지
US11398627B2 (en) * 2015-06-12 2022-07-26 The Board Of Trustees Of The Leland Stanford Junior University Cathode additives for lithium-ion batteries
KR20190062209A (ko) * 2017-11-27 2019-06-05 주식회사 엘지화학 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지
KR102663794B1 (ko) * 2017-11-27 2024-05-03 주식회사 엘지에너지솔루션 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6207325B1 (en) * 1997-05-19 2001-03-27 Showa Denko K.K. Lithium-containing complex metal oxide, preparation methods thereof, and cathode electroactive material using the same and lithium secondary cells
JP2005317277A (ja) * 2004-04-27 2005-11-10 Japan Storage Battery Co Ltd 非水電解質電池
KR20060008568A (ko) * 2004-07-21 2006-01-27 제일모직주식회사 비수계 전해질 2차 전지 양극 활물질용 리튬-니켈 복합산화물, 그 제조방법 및 그를 포함하는 양극 활물질
KR20070082900A (ko) * 2006-02-17 2007-08-22 주식회사 엘지화학 리튬-금속 복합산화물의 제조방법
CN101359736A (zh) * 2008-07-16 2009-02-04 宁波金和新材料有限公司 表面包覆Li2O·2B2O3的二次锂离子电池正极活性材料及制备方法
CN101847722A (zh) * 2009-03-26 2010-09-29 青岛新正锂业有限公司 高能锂离子电池正极材料及其制备方法
CN102315441A (zh) * 2010-07-02 2012-01-11 三星Sdi株式会社 正极活性物质、制造该正极活性物质的方法和锂二次电池
KR20140058165A (ko) * 2012-11-06 2014-05-14 주식회사 엘지화학 이차전지용 양극 활물질 및 이를 포함하는 이차전지
CN103915610A (zh) * 2013-01-07 2014-07-09 三星Sdi株式会社 正极活性物质、包括其的正极和锂电池、及其制备方法
CN105247715A (zh) * 2013-07-30 2016-01-13 株式会社Lg化学 包含不可逆添加剂的二次电池用正极混合物

Also Published As

Publication number Publication date
EP3595063B1 (en) 2022-07-06
EP3595063A1 (en) 2020-01-15
JP7045553B2 (ja) 2022-04-01
PL3595063T3 (pl) 2022-09-05
JP2020513145A (ja) 2020-04-30
KR20190064397A (ko) 2019-06-10
KR102388848B1 (ko) 2022-04-20
US20200335790A1 (en) 2020-10-22
US11329287B2 (en) 2022-05-10
CN110447132A (zh) 2019-11-12
EP3595063A4 (en) 2020-07-08

Similar Documents

Publication Publication Date Title
CN110447132B (zh) 正极添加剂、其制备方法以及包含其的正极和锂二次电池
TWI548589B (zh) 具橄欖石結構之磷酸鋰鐵及其分析方法
KR102073951B1 (ko) 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지
CN111226334B (zh) 正极添加剂、其制备方法以及包含其的正极和锂二次电池
CN111213269B (zh) 正极添加剂、其制备方法和包含其的正极及锂二次电池
KR102653787B1 (ko) 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지
KR102315787B1 (ko) 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지
KR20190078392A (ko) 양극 첨가제, 이의 제조 방법, 이를 포함하는 양극 및 리튬 이차 전지
KR102120271B1 (ko) 리튬 코발트 산화물을 포함하는 코어 및 리튬이 결핍인 쉘을 포함하는 리튬 이차전지용 양극 활물질 및 이를 제조하는 방법
JP2016006800A (ja) スルフィド結合を有する硫黄化合物を含むリン酸鉄リチウム、およびそれを使用するリチウム二次電池
US20160133922A1 (en) Electrode for secondary battery having improved energy density and lithium secondary battery including the same
JP6204581B2 (ja) リチウム二次電池用正極活物質の製造方法
JP2012506610A (ja) 電極の効率及びエネルギー密度が改良されたカソード混合物
KR101239620B1 (ko) 향상된 레이트 특성의 이차전지용 양극 활물질
CN110383542B (zh) 含富锂锂锰基氧化物及其上的锂钨化合物或额外钨化合物的正极活性材料及锂二次电池正极
KR101101148B1 (ko) 제조 공정성이 향상된 전극 제조방법
JP2022534142A (ja) 正極添加剤、その製造方法、これを含む正極およびリチウム二次電池

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220801

Address after: Seoul, South Kerean

Patentee after: LG Energy Solution

Address before: Seoul, South Kerean

Patentee before: LG CHEM, Ltd.